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If the line (y=(2k-5)x+7) has slope (13), what is (k)?यदि रेखा (y=(2k-5)x+7) की ढाल (13) है, तो (k) क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 99
In the form y = mx + c, the coefficient of x, m, is the slope. Here, the slope is 2k - 5. So, 2k - 5 = 13, which gives 2k = 18 and k = 9. If k were 8, the slope would be 11, not 13. Exam tip: To identify slope, look for the coefficient of x.रेखा के रूप y = mx + c में x का गुणांक m ढाल होता है। यहाँ ढाल 2k - 5 है। अतः 2k - 5 = 13, इसलिए 2k = 18 और k = 9। विकल्प 8 लेने पर ढाल 11 होगी, 13 नहीं। परीक्षा टिप: ढाल ज्ञात करने के लिए हमेशा x के गुणांक को देखें।
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